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But the Herschel infrared space telescopefill in the blanks – which has the ability to peer into these dense clouds — has made an unexpected discovery. This black patch is actually a hole that has been blown in the side of the nebula by the jets and winds of gas from the young stellar objects in this region of space.Beauty is Meaningless“No-one has ever seen a hole like this,” said Tom Megeath, of the University of Toledo in the USA. “It’s as surprising as knowing you have worms tunneling under your lawn, but finding one morning that they have created a huge, yawning pit.”
Any previous descriptions of NCGa world in a grain of sand 1999 said that the ominous dark cloud in the center was actually a condensation of cold molecular gas and dust so thick and dense that it blocks light. And astronomers had no reason to believe otherwise, until Herschel's powerful infrared eyes took a look from space.IN PICTURES: Spectacular supernovasWhen Herschel looked in the direction of this nebula to study nearby young stars, the cloud continued to look black. But, that should not be theMake youself a better person case. Herschel’s infrared eyes are designed to see into such clouds. Either the cloud was immensely dense or something was wrong.Investigating further using ground-based telescopes, astronomers found the same story however they looked: this patch looks black not because it is a dense pocket of gas but because it is truly empty. Something hasthe gateway to a world blown a hole right through the cloud.Stars are born in dense clouds of dust and gas. Although jets and winds of gas have been seen coming from young stars in the past, it has always been a mystery exactly how a star uses these to blow away its surroundings and emerge from its birth cloud. With Herschel, this may be the first time we can see this processGreater too than you can describe
.The astronomers think that the hole must have been opened when the narrow jets of gas from some of the young stars in the region punctured the sheet of dust and gas that forms NGC 1999. The powerful radiation from a nearby mature star may also have helped to clear the hole. Whatever the precise chain of events, it could be an important glimpse into the way newborn stars disperse their birth clouds.ource: ESAIN PICTURES: Spectacular photos of Supernovae and their remnantsNancy Atkinson blogs at Universe Today.View all Universe Today posts on the Monitor.Add/view comments on this posthttp://www.clavio.de/forum
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